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<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
      console.time("myCode");
      function loop() {
        let time = Date.now();
        while (true) {
          if (Date.now() - time > 5000) {
            break;
          }
        }
      }
      setTimeout(() => {
        console.log("settimeout2");
      }, 1);
      setTimeout(() => {
        loop();
        console.log("settimeout1");
      }, 0);
      console.timeEnd("myCode");
    </script>
  </body>
</html>
